feat:完善了自动标定车间的环境

This commit is contained in:
li-shihao-code
2026-02-26 14:27:30 +08:00
parent 69c45a6de5
commit 4e15ed48bf
14 changed files with 485 additions and 3 deletions
@@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.8)
project(agv_calib_brain)
project(agv_calib_core)
# 1. ROS 2
find_package(ament_cmake REQUIRED)
@@ -46,4 +46,4 @@ ament_target_dependencies(brain_node rclcpp)
target_link_libraries(brain_node agv_grpc_proto_lib)
install(TARGETS brain_node DESTINATION lib/${PROJECT_NAME})
ament_package()
ament_package()
@@ -1,7 +1,7 @@
<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>agv_calib_brain</name>
<name>agv_calib_core</name>
<version>0.0.0</version>
<description>TODO: Package description</description>
<maintainer email="2469171725@qq.com">nvidia</maintainer>
@@ -0,0 +1,91 @@
cmake_minimum_required(VERSION 3.8)
project(calibration_sim)
# 1. 基础编译设置
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 17)
endif()
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compile_options(-Wall -Wextra -Wpedantic)
endif()
# 2. 寻找依赖库
find_package(ament_cmake REQUIRED)
find_package(rclcpp REQUIRED)
find_package(std_msgs REQUIRED)
find_package(sensor_msgs REQUIRED) # 用于 PointCloud2
find_package(geometry_msgs REQUIRED) # 用于坐标变换
find_package(tf2_ros REQUIRED) # 坐标变换工具
find_package(tf2_geometry_msgs REQUIRED)
find_package(pcl_conversions REQUIRED)# ROS <-> PCL 转换桥梁
# 寻找系统级安装的 PCL 库 (非 ROS 包)
find_package(PCL REQUIRED COMPONENTS common io visualization filters registration segmentation)
# 3. 定义可执行文件 (你的核心 C++ 节点)
# 假设你将来会写一个 lidar_fusion_node.cpp
#add_executable(lidar_fusion_node src/lidar_fusion_node.cpp)
# 4. 配置头文件路径
#target_include_directories(lidar_fusion_node PUBLIC
# $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
# $<INSTALL_INTERFACE:include>
# ${PCL_INCLUDE_DIRS} # 必须包含 PCL 的头文件
#)
# 5. 链接库文件
# 链接 ROS 相关的依赖
#ament_target_dependencies(lidar_fusion_node
# rclcpp
# std_msgs
#sensor_msgs
#geometry_msgs
# tf2_ros
# tf2_geometry_msgs
# pcl_conversions
#)
# 链接 PCL 相关的依赖 (PCL 不是 ament 包,需要单独链接)
#target_link_libraries(lidar_fusion_node
# ${PCL_LIBRARIES}
#)
# 6. 安装规则 (至关重要!)
# 安装可执行文件 (C++ 节点)
#install(TARGETS
# lidar_fusion_node
# DESTINATION lib/${PROJECT_NAME}
#)
# 安装脚本文件 (如果你有 Python 节点)
# install(PROGRAMS
# scripts/my_python_script.py
# DESTINATION lib/${PROJECT_NAME}
# )
# 安装资源目录 (Launch, URDF, RViz, Worlds)
# 如果没有这步,你的 ros2 launch 命令会找不到文件
install(DIRECTORY
launch
urdf
rviz
worlds
config
DESTINATION share/${PROJECT_NAME}
)
# 7. 导出依赖与生成包
if(BUILD_TESTING)
find_package(ament_lint_auto REQUIRED)
# the following line skips the linter which checks for copyrights
# comment the line when a copyright and license is added to all source files
set(ament_cmake_copyright_FOUND TRUE)
# the following line skips the linter which checks for eccentric indentation
# comment the line when it conforms to defaults
set(ament_cmake_cpplint_FOUND TRUE)
ament_lint_auto_find_test_dependencies()
endif()
ament_package()
@@ -0,0 +1,73 @@
import os
from ament_index_python.packages import get_package_share_directory
from launch import LaunchDescription
from launch.actions import IncludeLaunchDescription, ExecuteProcess
from launch.launch_description_sources import PythonLaunchDescriptionSource
from launch_ros.actions import Node
import xacro
def generate_launch_description():
pkg_name = 'calibration_sim'
# 1. 解析 URDF
infra_xacro = os.path.join(get_package_share_directory(pkg_name), 'urdf', 'workshop_sensors.xacro')
infra_doc = xacro.process_file(infra_xacro)
infra_xml = infra_doc.toxml()
agv_xacro = os.path.join(get_package_share_directory(pkg_name), 'urdf', 'agv.xacro')
agv_doc = xacro.process_file(agv_xacro)
agv_xml = agv_doc.toxml()
world_path = os.path.join(
get_package_share_directory('calibration_sim'),
'worlds',
'calibration_room.world'
)
# 2. 启动 Gazebo
gazebo = IncludeLaunchDescription(
PythonLaunchDescriptionSource([os.path.join(
get_package_share_directory('gazebo_ros'), 'launch', 'gazebo.launch.py')]),
launch_arguments={'world': world_path}.items(), # 【关键】指定 world 参数
)
# 3. 生成基础设施 (4个雷达)
spawn_infra = Node(
package='gazebo_ros', executable='spawn_entity.py',
arguments=['-topic', 'robot_description_infra', '-entity', 'workshop_sensors'],
output='screen'
)
# 发布基础设施的 State Publisher (为了TF树)
infra_state_publisher = Node(
package='robot_state_publisher',
executable='robot_state_publisher',
name='infra_state_publisher',
parameters=[{'robot_description': infra_xml}],
remappings=[('robot_description', 'robot_description_infra')]
)
# 4. 生成 AGV
spawn_agv = Node(
package='gazebo_ros', executable='spawn_entity.py',
arguments=['-topic', 'robot_description_agv', '-entity', 'my_agv', '-z', '0.1'],
output='screen'
)
# 发布 AGV 的 State Publisher
agv_state_publisher = Node(
package='robot_state_publisher',
executable='robot_state_publisher',
name='agv_state_publisher',
parameters=[{'robot_description': agv_xml}],
remappings=[('robot_description', 'robot_description_agv')]
)
return LaunchDescription([
gazebo,
infra_state_publisher,
spawn_infra,
agv_state_publisher,
spawn_agv,
# 这里还可以加上 RViz 的节点
])
@@ -0,0 +1,26 @@
<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>calibration_sim</name>
<version>0.0.0</version>
<description>Simulated environment for workshop calibration project</description>
<maintainer email="user@todo.todo">User</maintainer>
<license>TODO: License declaration</license>
<buildtool_depend>ament_cmake</buildtool_depend>
<depend>rclcpp</depend>
<depend>std_msgs</depend>
<depend>sensor_msgs</depend>
<depend>geometry_msgs</depend>
<depend>tf2_ros</depend>
<depend>tf2_geometry_msgs</depend>
<depend>pcl_conversions</depend>
<depend>gazebo_ros</depend> <test_depend>ament_lint_auto</test_depend>
<test_depend>ament_lint_common</test_depend>
<export>
<build_type>ament_cmake</build_type>
</export>
</package>
@@ -0,0 +1,72 @@
<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="my_agv">
<link name="base_footprint"/>
<joint name="base_joint" type="fixed">
<parent link="base_footprint"/>
<child link="base_link"/>
<origin xyz="0 0 0.1" rpy="0 0 0"/>
</joint>
<link name="base_link">
<visual>
<geometry><box size="0.5 0.3 0.1"/></geometry>
<material name="blue">
<color rgba="0 0 1 1"/>
</material>
</visual>
<collision>
<geometry><box size="0.5 0.3 0.1"/></geometry>
</collision>
<inertial>
<mass value="5.0"/>
<inertia ixx="0.1" ixy="0" ixz="0" iyy="0.1" iyz="0" izz="0.1"/>
</inertial>
</link>
<xacro:macro name="wheel" params="prefix y_offset">
<link name="${prefix}_wheel">
<visual>
<geometry><cylinder radius="0.1" length="0.05"/></geometry>
<material name="black">
<color rgba="0 0 0 1"/>
</material>
</visual>
<collision>
<geometry><cylinder radius="0.1" length="0.05"/></geometry>
</collision>
<inertial>
<mass value="1.0"/>
<inertia ixx="0.01" ixy="0" ixz="0" iyy="0.01" iyz="0" izz="0.01"/>
</inertial>
</link>
<joint name="${prefix}_wheel_joint" type="continuous">
<parent link="base_link"/>
<child link="${prefix}_wheel"/>
<origin xyz="0 ${y_offset} -0.05" rpy="-1.57 0 0"/>
<axis xyz="0 0 1"/>
</joint>
</xacro:macro>
<xacro:wheel prefix="left" y_offset="0.2"/>
<xacro:wheel prefix="right" y_offset="-0.2"/>
<gazebo>
<plugin name="diff_drive" filename="libgazebo_ros_diff_drive.so">
<ros>
<namespace>/</namespace>
</ros>
<left_joint>left_wheel_joint</left_joint>
<right_joint>right_wheel_joint</right_joint>
<wheel_separation>0.4</wheel_separation>
<wheel_diameter>0.2</wheel_diameter>
<publish_odom>true</publish_odom>
<publish_odom_tf>true</publish_odom_tf>
<odometry_frame>odom</odometry_frame>
<robot_base_frame>base_footprint</robot_base_frame>
</plugin>
</gazebo>
</robot>
@@ -0,0 +1,32 @@
<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="calibration_board">
<link name="board_link">
<visual>
<geometry>
<box size="1.0 1.0 0.02"/>
</geometry>
<material name="white">
<color rgba="1 1 1 1"/>
</material>
</visual>
<collision>
<geometry>
<box size="1.0 1.0 0.02"/>
</geometry>
</collision>
<inertial>
<mass value="1.0"/>
<inertia ixx="0.1" ixy="0" ixz="0" iyy="0.1" iyz="0" izz="0.1"/>
</inertial>
</link>
<gazebo reference="board_link">
<material>Gazebo/Checkerboard</material>
</gazebo>
<gazebo>
<static>true</static>
</gazebo>
</robot>
@@ -0,0 +1,87 @@
<?xml version="1.0"?>
<robot xmlns:xacro="http://www.ros.org/wiki/xacro" name="workshop_infrastructure">
<gazebo> <static>true</static> </gazebo>
<link name="workshop_anchor">
<visual> <geometry><sphere radius="0.01"/></geometry> </visual>
<inertial>
<mass value="100"/>
<inertia ixx="1" ixy="0" ixz="0" iyy="1" iyz="0" izz="1"/>
</inertial>
</link>
<material name="lidar_black"> <color rgba="0.1 0.1 0.1 1"/> </material>
<xacro:macro name="solid_state_lidar" params="name x y z yaw">
<joint name="${name}_joint" type="fixed">
<parent link="workshop_anchor"/>
<child link="${name}_link"/>
<origin xyz="${x} ${y} ${z}" rpy="0 0.35 ${yaw}"/>
</joint>
<link name="${name}_link">
<inertial>
<mass value="0.5"/> <inertia ixx="0.001" ixy="0" ixz="0" iyy="0.001" iyz="0" izz="0.001"/>
</inertial>
<visual>
<geometry><box size="0.114 0.136 0.049"/></geometry>
<material name="lidar_black"/>
</visual>
<collision>
<geometry><box size="0.114 0.136 0.049"/></geometry>
</collision>
</link>
<gazebo reference="${name}_link">
<material>Gazebo/FlatBlack</material>
<sensor type="gpu_ray" name="${name}_sensor">
<pose>0 0 0 0 0 0</pose>
<visualize>false</visualize>
<update_rate>10</update_rate> <ray>
<scan>
<horizontal>
<samples>600</samples>
<resolution>1</resolution>
<min_angle>-0.7854</min_angle>
<max_angle>0.7854</max_angle>
</horizontal>
<vertical>
<samples>128</samples>
<resolution>1</resolution>
<min_angle>-0.2181</min_angle>
<max_angle>0.2251</max_angle>
</vertical>
</scan>
<range>
<min>0.5</min> <max>210.0</max>
</range>
<noise>
<type>gaussian</type>
<mean>0.0</mean>
<stddev>0.03</stddev>
</noise>
</ray>
<plugin name="${name}_controller" filename="libgazebo_ros_ray_sensor.so">
<ros>
<namespace>/infrastructure</namespace>
<remapping>~/out:=${name}/points</remapping>
</ros>
<output_type>sensor_msgs/PointCloud2</output_type>
<frame_name>${name}_link</frame_name>
</plugin>
</sensor>
</gazebo>
</xacro:macro>
<xacro:solid_state_lidar name="lidar_fl" x="4.8" y="4.8" z="2.4" yaw="-2.356"/>
<xacro:solid_state_lidar name="lidar_fr" x="4.8" y="-4.8" z="2.4" yaw="2.356"/>
<xacro:solid_state_lidar name="lidar_bl" x="-4.8" y="4.8" z="2.4" yaw="-0.785"/>
<xacro:solid_state_lidar name="lidar_br" x="-4.8" y="-4.8" z="2.4" yaw="0.785"/>
</robot>
@@ -0,0 +1,101 @@
<?xml version="1.0" ?>
<sdf version="1.6">
<world name="calibration_world">
<scene>
<ambient>0.6 0.6 0.6 1.0</ambient>
<background>0.7 0.7 0.7 1.0</background>
<shadows>true</shadows>
</scene>
<include><uri>model://ground_plane</uri></include>
<model name="calibration_room_structure">
<static>true</static>
<pose>0 0 0 0 0 0</pose>
<link name="wall_north"><pose>0 5 1.25 0 0 0</pose><collision name="c"><geometry><box><size>10.2 0.2 2.5</size></box></geometry></collision><visual name="v"><geometry><box><size>10.2 0.2 2.5</size></box></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/Grey</name></script></material></visual></link>
<link name="wall_south"><pose>0 -5 1.25 0 0 0</pose><collision name="c"><geometry><box><size>10.2 0.2 2.5</size></box></geometry></collision><visual name="v"><geometry><box><size>10.2 0.2 2.5</size></box></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/Grey</name></script></material></visual></link>
<link name="wall_east"><pose>5 0 1.25 0 0 0</pose><collision name="c"><geometry><box><size>0.2 10.0 2.5</size></box></geometry></collision><visual name="v"><geometry><box><size>0.2 10.0 2.5</size></box></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/Grey</name></script></material></visual></link>
<link name="wall_west"><pose>-5 0 1.25 0 0 0</pose><collision name="c"><geometry><box><size>0.2 10.0 2.5</size></box></geometry></collision><visual name="v"><geometry><box><size>0.2 10.0 2.5</size></box></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/Grey</name></script></material></visual></link>
</model>
<include><uri>model://checkerboard_plane</uri><name>board_n1</name><pose>-3.75 4.89 1.25 1.57 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_n2</name><pose>-1.25 4.89 1.25 1.57 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_n3</name><pose> 1.25 4.89 1.25 1.57 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_n4</name><pose> 3.75 4.89 1.25 1.57 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_s1</name><pose>-3.75 -4.89 1.25 1.57 0 3.14159</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_s2</name><pose>-1.25 -4.89 1.25 1.57 0 3.14159</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_s3</name><pose> 1.25 -4.89 1.25 1.57 0 3.14159</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_s4</name><pose> 3.75 -4.89 1.25 1.57 0 3.14159</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_e1</name><pose>4.89 -3.75 1.25 1.57 0 -1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_e2</name><pose>4.89 -1.25 1.25 1.57 0 -1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_e3</name><pose>4.89 1.25 1.25 1.57 0 -1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_e4</name><pose>4.89 3.75 1.25 1.57 0 -1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_w1</name><pose>-4.89 -3.75 1.25 1.57 0 1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_w2</name><pose>-4.89 -1.25 1.25 1.57 0 1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_w3</name><pose>-4.89 1.25 1.25 1.57 0 1.57</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>board_w4</name><pose>-4.89 3.75 1.25 1.57 0 1.57</pose><scale>0.3125 0.3125 1</scale></include>
<model name="ceiling_lights_4x4">
<static>true</static>
<pose>0 0 2.5 0 0 0</pose>
<link name="link">
<visual name="v1_1"><cast_shadows>0</cast_shadows><pose>-4.5 -4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v1_2"><cast_shadows>0</cast_shadows><pose>-1.5 -4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v1_3"><cast_shadows>0</cast_shadows><pose> 1.5 -4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v1_4"><cast_shadows>0</cast_shadows><pose> 4.5 -4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v2_1"><cast_shadows>0</cast_shadows><pose>-4.5 -1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v2_2"><cast_shadows>0</cast_shadows><pose>-1.5 -1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v2_3"><cast_shadows>0</cast_shadows><pose> 1.5 -1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v2_4"><cast_shadows>0</cast_shadows><pose> 4.5 -1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v3_1"><cast_shadows>0</cast_shadows><pose>-4.5 1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v3_2"><cast_shadows>0</cast_shadows><pose>-1.5 1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v3_3"><cast_shadows>0</cast_shadows><pose> 1.5 1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v3_4"><cast_shadows>0</cast_shadows><pose> 4.5 1.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v4_1"><cast_shadows>0</cast_shadows><pose>-4.5 4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v4_2"><cast_shadows>0</cast_shadows><pose>-1.5 4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v4_3"><cast_shadows>0</cast_shadows><pose> 1.5 4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
<visual name="v4_4"><cast_shadows>0</cast_shadows><pose> 4.5 4.5 0 0 0 0</pose><geometry><cylinder><radius>0.1</radius><length>0.05</length></cylinder></geometry><material><script><uri>file://media/materials/scripts/gazebo.material</uri><name>Gazebo/WhiteGlow</name></script><emissive>0.5 0.5 0.5 1</emissive></material></visual>
</link>
</model>
<light name='l1_1' type='point'><pose>-4.5 -4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l1_2' type='point'><pose>-1.5 -4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l1_3' type='point'><pose> 1.5 -4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l1_4' type='point'><pose> 4.5 -4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l2_1' type='point'><pose>-4.5 -1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l2_2' type='point'><pose>-1.5 -1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l2_3' type='point'><pose> 1.5 -1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l2_4' type='point'><pose> 4.5 -1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l3_1' type='point'><pose>-4.5 1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l3_2' type='point'><pose>-1.5 1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l3_3' type='point'><pose> 1.5 1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l3_4' type='point'><pose> 4.5 1.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l4_1' type='point'><pose>-4.5 4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l4_2' type='point'><pose>-1.5 4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l4_3' type='point'><pose> 1.5 4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<light name='l4_4' type='point'><pose> 4.5 4.5 2.45 0 0 0</pose><diffuse>0.3 0.3 0.3 1</diffuse><specular>0.1 0.1 0.1 1</specular><attenuation><range>6</range><constant>0.2</constant><linear>0.05</linear><quadratic>0.1</quadratic></attenuation><cast_shadows>0</cast_shadows></light>
<include><uri>model://checkerboard_plane</uri><name>floor_n1</name><pose>-3.75 3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_n2</name><pose>-1.25 3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_n3</name><pose> 1.25 3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_n4</name><pose> 3.75 3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_s1</name><pose>-3.75 -3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_s2</name><pose>-1.25 -3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_s3</name><pose> 1.25 -3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_s4</name><pose> 3.75 -3.75 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_e1</name><pose>3.75 -1.25 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_e2</name><pose>3.75 1.25 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_w1</name><pose>-3.75 -1.25 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
<include><uri>model://checkerboard_plane</uri><name>floor_w2</name><pose>-3.75 1.25 0.01 0 0 0</pose><scale>0.3125 0.3125 1</scale></include>
</world>
</sdf>